package com.atguigu.gulimall.order.config;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

@Configuration
public class MyRabbitConfig {

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    };
    /**
     * 定制RabbitTemplate
     * 1.设置spring.rabbitmq.publisher-confirms=true
     * 2.设置确认回调
     */
    @PostConstruct // MyRabbitConfig 对象创建完成以后，执行这个方法
    public void initRabbitTemplate(){

    rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
        @Override
        public void confirm(CorrelationData correlationData, boolean b, String s) {
/*            System.out.println("correlationData"+correlationData);
            System.out.println("b"+b);
            System.out.println("s"+s);*/
        }
    });


    // 只要消息没有投递正确就调用
        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            @Override
            public void returnedMessage(Message message, int i, String s, String s1, String s2) {
/*                System.out.println("message"+message);
                System.out.println(i+"i");
                System.out.println(s1+"s1");
                System.out.println(s2+"s2");*/
            }
        });



    }


}
